Chicken, beef and pork giantTyson Foods Inc., Springdale, Ark., honored five companies during its fourth annual "Supplier of the Year" awards program. Those recognized were (1) process automation consultantA-Tech Inc., Tulsa, Okla.; production supplies distributorHantover Inc., Kansas City; contractorMid-Tech Inc., Anderson, Mo.;FlexSol Packaging Corp., Pampano Beach, Fla.; and ingredient supplierKerry Group plc, Tralee, Ireland. . . .Emulsified powders supplierDiehl Food Ingredients, Defiance, Ohio, said it acquired the emulsified powders and non-dairy creamer business ofACH FoodCompanies. Terms were not disclosed. . . .The Steritech Group Inc., Charlotte, N.C., said it hiredGonzalo Checaas president of Steritech's Food Safety division.